<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card >
        <!-- 搜索与添加区域 -->
       
    <el-row :gutter='20'>
        <el-col :span="8">  
            <el-input placeholder="请输入内容"
             v-model="queryInfo.query" clearable
             @clear="getUserList"
             >
              
            <el-button slot="append" icon="el-icon-search" 
            @click="getUserList"></el-button>
            </el-input>
        </el-col>

        <el-col :span="4">
            <el-button type="primary" @click='addDialogVisible=true'>添加用户</el-button>

        </el-col>
    </el-row>

    <!-- 用户列表区域 -->
    <el-table :data="userlist" border stripe >
        <el-table-column type="index"></el-table-column>
    
        <el-table-column label="姓名" prop="username"></el-table-column>
         <el-table-column label="邮箱" prop="email"></el-table-column>
          <el-table-column label="电话" prop="mobile"></el-table-column>
           <el-table-column label="角色" prop="role_name"></el-table-column>
           <el-table-column label="状态" >
               <template slot-scope="scope">

                   <!-- 显示数据 -->
                   <!-- {{scope.row}} -->

                   <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                    </el-switch>
               </template>
           </el-table-column>

           <el-table-column label="操作" width="180px">
               <template slot-scope="scope">
                   <!-- 修改按钮 -->
                   <el-button type="primary" icon="el-icon-edit" size='mini' @click="showEditDialog(scope.row.id)"></el-button>
                   <!-- 删除按钮 -->
                   <el-button type="danger" icon="el-icon-delete" size='mini' @click="removeById(scope.row.id)"></el-button>
                   <!-- 分配角色按钮 -->
                        <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
                        <el-button type="warning" icon="el-icon-setting" size='mini'  @click="setRole(scope.row)">
                       </el-button>
                        </el-tooltip>
                   

               </template>

           </el-table-column>

         </el-table>

         <!-- 分页区域 -->
          <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1,2,5,10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
        </el-card>

        <!-- 添加用户的对话框 -->

        <el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%" @close="addDialogClosed">
  <!-- 内容主体区域 -->

      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef"  label-width="70px">
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
    <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
  </el-form-item>
    <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
    <el-form-item label="手机号" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
      </el-form>

  <!-- 底部区域 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>
<el-dialog
    title="修改用户信息"
    :visible.sync="editDialogVisible"
    width="50%" @close="editDialogClosed">
    <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
   <el-form-item label="用户名" prop="name">
     <el-input v-model="editForm.username" disabled></el-input>
   </el-form-item>
    <el-form-item label="邮箱" prop="email">
     <el-input v-model="editForm.email"></el-input>
   </el-form-item>
   <el-form-item label="手机号" prop="mobile">
     <el-input v-model="editForm.mobile"></el-input>
   </el-form-item>
   </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
</el-dialog>


<!-- 分配权限的对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setdialogVisible"
  width="50%" @close="setdialogVisibleClose">
  <div>
      <p>当前的用户：{{userInfo.username}}</p>
      <p>当前的角色：{{userInfo.role_name}}</p>
      <p>分配新角色：
        <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
            </el-option>
        </el-select>
      </p>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setdialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
    </div>
</template>


<script>
export default{
    data(){
         //验证邮箱的规则
   var checkEmail=(rule,value,cb)=>{
       //验证邮箱的正则表达式
       const regEmail=/^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/
       if(regEmail.test(value)){
           //合法的邮箱
           return cb()
       }
       cb(new Error('请输入合法的邮箱'))
    }
    var checkMobil=(rule,value,cb)=>{
      //验证手机号的正则表达式
      const regMobil =/^1(3|4|5|6|7|8|9)\d{9}$/
      if(regMobil.test(value)){
          //合法的手机号
          return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
            
        return{
            // 获取用户列表的参数
            queryInfo:{
                query:'',
                // 当前的页数
                pagenum:1,
                pagesize:2
            },
            userlist:[],
            total:0,
            // 控制添加用户对话框的显示与隐藏
            addDialogVisible:false,
            setdialogVisible:false,
            // 添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            // 添加表单的验证规则对象
            addFormRules:{
                username:[
                    {required:true,message:'请输入用户名',trigger:'blur'},
                    {min:3,max:10,message:'用户名的名字在3~10个字符之间',trigger:'blur'}
                ],
                password:[
                    {required:true,message:'请输入密码',trigger:'blur'},
                    {min:6,max:15,message:'用户密码在6~15个字符之间',trigger:'blur'}
                ],
                email:[
                    {required:true,message:'请输入邮箱',trigger:'blur'},
                    {validator:checkEmail,trigger:'blur'}
                  
               
                ],
                mobile:[
                      {required:true,message:'请输入手机号',trigger:'blur'},
                      {validator:checkMobil,trigger:'blur'}

                ]
            },
            //控制修改用户对话框的显示与隐藏
            editDialogVisible:false,
            //查询到的用户信息对象
            editForm:{},
            //修改表单的验证规则对象
            editFormRules:{
                email:[
                    {required:true,message:'请输入邮箱',trigger:'blur'},
                    {validator:checkEmail,trigger:'blur'}
                ],
                mobile:[
                    {required:true,message:'请输入手机号',trigger:'blur'},
                    {validator:checkMobil,trigger:'blur'}
                ]
            },
            //需要被分配角色的用户信息
            userInfo:{},
            //所有角色的列表数据
            rolesList:{},
            selectRoleId:''
        }
    },
    // 问题
   created(){
       this.getUserList()   
   },
    methods:{
       async getUserList(){
        const {data:res}= await this.$http.get('users',{ 
            params:this.queryInfo
            })
            console.log(res);
            if(res.meta.status!==200){
                 return this.$message.error('获取用户列表失败')
            }
            console.log(res);
               this.userlist=res.data.users
               this.total=res.data.total
              

        },
        // 监听pagesize 改变的事件
        handleSizeChange(newSize){
            // console.log(newSize);
            this.queryInfo.pagesize=newSize
            this.getUserList()
        },
        // 监听页码值改变的事件
        handleCurrentChange(newPage){
            // console.log(newPage);
            this.queryInfo.pagenum=newPage
               this.getUserList()
        },
        // 有问题有问题！！！！！   
        // 监听switch 开关的改变
        async userStateChanged(userinfo){
       const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)     
     
          
            if(res.meta.status!==200){
                userinfo.mg_state = !userinfo.mg_state
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户成功')
        },
        // 监听添加用户对话框的关闭事件
        addDialogClosed(){
            this.$refs.addFormRef.resetFields()
        },
        // 点击按钮添加用户
        addUser(){
            this.$refs.addFormRef.validate(async valid=>{
                // console.log(valid);
                if(!valid)return
                //可以发起添加用户的网络请求
               const {data:res} =await this.$http.post('users/',this.addForm)
               if(res.meta.status!==200){
                   this.$message.error('添加用户失败')
               }
               this.$message.success('添加用户成功')
               //隐藏添加用户的对话框
               this.addDialogVisible=false
               //重新获取用户列表数据
               this.getUserList()
            })
        },
        // 展示编辑用户的对话框
       async showEditDialog(id){
            // console.log(id);
           const {data:res}= await this.$http.get('users/'+id)
           if(res.meta.status!==200){
               return this.$message.error('查询用户信息失败')
           }
         // 把获取到的用户信息对象，保存到 编辑表单数据对象中
            this.editForm=res.data
            this.editDialogVisible=true
        },
        //监听用户对话框的关闭事件
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        //修改用户信息并提交
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid=>{
                // console.log(valid);
                if(!valid) return
                //发起用户修改信息的请求
               const {data:res}= await this.$http.put('users/'+this.editForm.id,{
                    email:this.editForm.email,
                    mobile:this.editForm.mobile
                })
                // console.log(res);
                if(res.meta.status!==200){
                    return this.$message.error("修改用户信息失败！")
                    // console.log("ffff");
                }
                //关闭对话框
                this.editDialogVisible=false
                //刷新数据列表
                this.getUserList()
                //提示修改成功
                this.$message.success("修改用户信息成功！")
            })
        },
        //根据id删除对应的用户信息
       async removeById(id){
            //弹框询问用户是否删除数据
          const confirmResult= await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
        }).catch(err=>err)
        //如果用户确认删除，则返回字符串 confirm
        //如果用户取消了删除，这返回字符串 cancel
        // console.log(confirmResult);
        // console.log(id);
        if(confirmResult!=='confirm'){
            return this.$message.info('已取消删除')
        }
        // console.log('确认了删除');
        const {data:res}=await this.$http.delete('users/' + id);
        if(res.meta.status!==200){
            return this.$message.error('删除用户失败！');
        }
        this.$message.success('删除用户成功！')
        this.getUserList()
        },
        //展示分配角色的对话框
       async setRole(userInfo){
            this.userInfo=userInfo

            //在展示对话框之前，获取所有角色的列表
            const {data:res}=await this.$http.get('roles')
            if(res.meta.status!==200){
                return this.$message.error('获取角色列表失败！')
            }
            this.rolesList=res.data

            this.setdialogVisible=true
        },
        //点击按钮，分配角色
       async saveRoleInfo(){
            if(!this.selectRoleId){
                return this.$message.error('请选择要分配的角色！')
            }
            const {data:res}=await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectRoleId})
            if(res.meta.status!==200){
                return this.$message.error('更新角色失败！')
            }
            this.$message.success('更新角色成功！')
            this.getUserList()
            this.setdialogVisible=false
        },
        //监听分配角色对话框的关闭事件
        setdialogVisibleClose(){
            this.selectRoleId=''
            this.userInfo={}
        }
    }
}

</script>


<style lang="less" scoped>
    



</style>